Change in Ahlstrom's Executive Management Team

Ahlstrom Corporation STOCK EXCHANGE RELEASE 17.9.2010 at 15.00

Ahlstrom, a global leader in nonwovens and specialty papers, announces a change in its Executive Management Team. Deputy of President and CEO Risto Anttonen, who is responsible for business development, will retire by December 31, 2010. His responsibilities will be transferred to other members of the Executive Management Team after Anttonen's retirement.

Risto Anttonen joined Ahlstrom in 1991 and has held several senior executive positions in the company.

"I would like to thank Risto for his excellent contribution to Ahlstrom and wish him the best of success in the future," says Jan Lång.

Further information: Jan LångPresident & CEOtel. +358 10 888 4700

Distribution: NASDAQ OMX Helsinki Main media www.ahlstrom.com

Ahlstrom in brief Ahlstrom is a global leader in the development, manufacture and marketing of high performance nonwovens and specialty papers. Ahlstrom´s products are used in a large variety of everyday applications, such as filters, wipes, flooring, labels, and tapes. Based upon its unique fiber expertise and innovative approach, the company has a strong market position in several business areas in which it operates. Ahlstrom's 5,800 employees serve customers via sales offices and production facilities in more than 20 countries on six continents. In 2009, Ahlstrom's net sales amounted to EUR 1.6 billion. Ahlstrom's share is quoted on the NASDAQ OMX Helsinki. The company website is at www.ahlstrom.com.